deletions | additions       diff --git a/intro_cba.tex b/intro_cba.tex  index 64b32ac..2fca31a 100644  --- a/intro_cba.tex  +++ b/intro_cba.tex 
...
momentum for policy making \cite{Harris_2013}. In CBA, all resource use and environmental  pressurs (for example emissions) occurring along the the supply chain of  products are added up and allocated to the final consumer of the product. This  allowsfor example  to assess the environmental pressure caused by a domestic demand abroad \cite{Weinzettel_2013, 20212122}.  Indicators based on consumption based accounting are also known as various  types of 'footprints' and 'footprints'. Nowadays, these  are increasingly used for informing policy makers as well as the public about ongoing environmental \cite{tukker_global_2014, steen-olsen_carbon_2012, Kanemoto_2014}\cite{united_nations_university_inclusive_2012}  and social problems \cite{Simas_2014}.